October 2021

Detailed description of this issue HERE

Projects & Circuits

USB SuperCodec – Part 2 – buy the PCB HERE
Last month, we introduced our new USB SuperCodec sound card design. Now it’s time to describe the details of the circuitry behind its phenomenal performance!

Mini Wi-Fi LCD BackPack – buy the PCB HERE
Wireless comms is a useful feature to have in a microcontroller system. This project uses an ESP8266-based module as a powerful and inexpensive way to add Wi-Fi.

High-power Ultrasonic Cleaner – Part 2 – buy the PCBs HERE

Colour Maximite 2 (Generation 2) – Part 1
The latest, turbocharged iteration of our retro home computer.

Series, Features and Columns

The Fox Report by Barry Fox
Pingdemic blues

Techno Talk by Mark Nelson
Hacker heritagel

Net Work by Alan Winstanley
This month, a warning to readers to beware of fake, false or misleading CE markings; plus a look to the future of metering and power..

Circuit Surgery by Ian Bell
Electrical Overstress Protection for Circuits

IoT Cricket by Md. Khairul Alam
Part 2: Working with Node-RED and Raspberry Pi

KickStart by Mike Tooley
Part 5: Getting to grips with EMC

Max’s Cool Beans by Max The Magnificent – buy the SMAD display HERE.
Flashing LEDs and drooling engineers – Part 20

Audio Out
A question of balance – Part 2

Downloads

Download the files associated with this issue HERE.